A controlling device can remotely control various tasks associated with a controlled device, including the navigation of user interfaces associated with applications or an operating system associated with the controlled device. The optical fiber having a mode field diameter of 6. The checksum calculations for the buffered data may be performed according to a priority assigned to the buffered data. The icon may include a measure of the confidencecertainty of the need for a location update, e. Availability of clusters including any number of nodes can be determined.